... aim of altering the geometry of the spinning triangle (see Figure 6.7) so as to improve the structure of the ring -spun yarn by more effective bindingin of surface fibers into the body of the yarn ... Slubbing False Twist Front Rolls Cop of Yarn Real Twist FIGURE 6.4 False-twist drafting of woolen slubbing (Courtesy of Lord, P R., Economics, Science & Technology of...
... Viscoelastic-injecting cystotome J Cataract Refract Surg 1998;24:1 432 3 Gimbel HV, Kaye GB Forceps-puncture continuous curvilinear capsulorhexis J Cataract Refract Surg 1997; 23: 4 73 5 Pandey SK, ... the capsular bag in the form of a “tyre”, into which an IOL can securely be implanted, maintaining all of the advantages of intracapsular implantation Figure 3. 9 Mini-capsulorhexis to...
... number (typically 20) of illuminated concentric rings that are reflected by the anterior corneal surface A digital video 50·00 49 ·00 48 ·00 47 ·00 46 ·00 45 ·00 44 ·00 43 ·00 42 ·00 41 ·00 40 ·00 39·00 38·00 ... silicone as compared with system velocity of B-scanner) appearance of both the A-mode trace (Figure 6.5f) and the B-mode (Figure 6.4c) image The velocity of ultraso...
... 22·0–24 5 8% 72% 24 5 26·0 > 26·0 Recommended formula(e) 15% 5% Hoffer Q Average Holladay, Hoffer Q, and SRK T Holladay SRK T SRK T formulae is recommended For shorter eyes (< 22·0 mm) the Hoffer ... with an average keratometry of 6· 45 mm (52 ·3 D) and an axial length of 22 5 mm, SRK T predicts a lens implant power that is D too high, as compared with the Holladay and Hoffer Q formul...
... The addition of small doses of a potent short acting opioid (alfentanil) decreases further the dose of propofol required to maintain general anaesthesia Target plasma levels of propofol can be ... Hepsen IF, Cekic O, Gunduz A Comparison of the results of primary and secondary implantation of flexible open-loop anterior chamber intraocular lens Eye 1998;12:8 26 8 Kanski JJ Lensec...
... lensectomy .75 ,76 Where lens instability prevents phaco or ECCE, and ICCE carries a increased risk of retinal detachment, lensectomy is procedure of choice, particularly if the cataract is soft .77 Lens ... Progression of retinopathy after cataract surgery is best documented by paired eye comparisons; one such study showed progression of nonproliferative retinopathy in 74 % of ope...
... 1999;25 :88 5–90 107 Broadway DC, Grierson I, Hitchings RA Local effects of previous conjunctival incisional surgery and the subsequent outcome of filtration surgery Am J Ophthalmol 19 98; 125 :80 5– 18 1 08 ... uveitis Arch Ophthalmol 19 78; 96:17 98 80 4 30 Foster CS, Fong LP, Singh G Cataract surgery and intraocular lens implantation in patients with uveitis Ophthalmology 1 989 ;96...